//Toby Hsieh //Chapter 4, Exercise 2 //Circumference, Area, & Volume of Circle import java.awt.*; import java.applet.Applet; public class ch4ex2 extends Applet { public void paint(Graphics g) { float radius=7.5f; float circumference=2f*(float)Math.PI*radius; float area=(float)Math.PI*radius*radius; float volume=(4f/3f)*(float)Math.PI*radius*radius*radius; g.drawString("Circumference is "+circumference, 100, 100); g.drawString("Area is "+area, 100, 120); g.drawString("Volume is "+volume, 100, 140); } }